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When preening, a bird (such as this red lory) draws individual feathers through its beak, realigning and re-interlocking the barbules.. Preening is a maintenance behaviour found in birds that involves the use of the beak to position feathers, interlock feather barbules that have become separated, clean plumage, and keep ectoparasites in check.
Allowing particulates to accumulate on feathers also creates the need for cleaning which can put fragile feathers at risk for physical damage. [15] In addition, particulates can cause the relative humidity around the feather to rise. This rise in humidity and the resulting addition of moisture can accelerate the deterioration of the feather. [2]
[27] [29] The nest cavity is 25–35 cm (9.8–13.8 in) deep with an entrance hole 5–6 cm (2.0–2.4 in) wide. It is excavated by both sexes, the male doing most of the chiselling. [6] As with other woodpeckers, the hole is unlined, although wood chips from the excavation may cover the base of the cavity. [30] Egg
For example, bird specimens that have been badly damaged by pests may be repaired with a mixture of synthetic fabrics and wheat starch. This mixture is used to infill areas of loss and feathers are replaced where possible with a wheat starch paste adhesive. In addition to infilling, taxidermy specimens may require structural repairs.
A so-called "cathedral" mound produced by a termite colony. Structures built by non-human animals, often called animal architecture, [1] are common in many species. Examples of animal structures include termite mounds, ant hills, wasp and beehives, burrow complexes, beaver dams, elaborate nests of birds, and webs of spiders.
A dust bathing turkey Ashy-crowned sparrow-lark bird dust bathing A group of Malabar pied hornbill birds dust bathing in India A house sparrow having a dust bath. Male and Female house sparrows dust bathing. Birds crouch close to the ground while taking a dust bath, vigorously wriggling their bodies and flapping their wings.
The bird's nesting hole requires not only the bird's making a hole but also the cactus's lining the hole - it is not ready for use as a nest until a year after its creation. [4] Many saguaros are home to multiple nests; if birds excavate adjoining hollows, a saguaro boot may be formed with more than one opening.
Brood patch of a sand martin. A brood patch, also known as an incubation patch, [1] is a patch of featherless skin on the underside of birds during the nesting season.Feathers act as inherent insulators and prevent efficient incubation, to which brood patches are the solution.